diff --git a/ansible/roles/faucet-api/tasks/firewall.yml b/ansible/roles/faucet-api/tasks/firewall.yml
index bda6dc7..b3a7034 100644
--- a/ansible/roles/faucet-api/tasks/firewall.yml
+++ b/ansible/roles/faucet-api/tasks/firewall.yml
@@ -7,6 +7,6 @@
     jump: ACCEPT
     source: '0.0.0.0/0'
     protocol: tcp
-    destination_port: '{{ faucet_http_port }}'
+    destination_port: '{{ faucet_http_port | string }}'
   notify:
     - Save iptables rules